$1)---------------$ receive signals from outside the computer and transfer them into the computer$\mathrm{.}2)---------------$ contain multiple processors that let them perform parallel processing and run at great speeds$\mathrm{.}3)$ The control unit uses special circuitry called $---------,$ which synchronizes all tasks$\mathrm{.}4)-----------$ is the study of the comfort and safety of human beings in their working environment$\mathrm{.}5)$ A $-------------$ is a device you connect to a computer or mobile device to expand its capabilities.Short Answers$6)$ Compare the two types of computer internal memory$\mathrm{.}7)$ Answer the following questions.A$)$ What are the criteria to evaluate storage devices?B$)$ Identify the four basic operations a computer must handle.C$)$ What is Fault tolerance?D$)$ What are the main components of a computer?$8)$ What is a computer port?$9)$ RAID stands for $-----------------.$ What is RAID?$10)$ What are the advantages and disadvantages of cloud storage?$11)$ What are the Peripheral Devices? Give three examples$\mathrm{.}12)$ The following abbreviations stand for:A$)$ CAM:B$)$ CAD:$13)$ The following abbreviations stand for:A$)$ GIGO:B$)$ CPU:$14)$ The following abbreviations stand for:A$)$ ALU:B$)$ RAM:$15)$ The following abbreviations stand for:A$)$ ROM:B$)$ USB: